Answer:
No, but all parallelograms are quadrilaterals.
Step-by-step explanation:
Take a trapezoid, for example. A trapezoid is a quadrilateral because it has 4 sides, but it does not contain 2 sets of parallel sides thus making it not a parallelogram.
Answer:
C= 0.39p
or
15=0.39p
Step by Step
$0.39 times the amount of people the invitation is being sent to
